ultisuite-backend/internal/nextcloud/client.go
2026-06-04 00:12:11 +02:00

103 lines
2.4 KiB
Go

package nextcloud
import (
"context"
"fmt"
"io"
"net/http"
"time"
)
type Client struct {
baseURL string
httpClient *http.Client
adminUser string
adminPass string
credStore *DAVCredentialStore
}
func NewClient(baseURL, adminUser, adminPass string) *Client {
return &Client{
baseURL: baseURL,
httpClient: &http.Client{
Timeout: 30 * time.Second,
},
adminUser: adminUser,
adminPass: adminPass,
}
}
func (c *Client) WithDAVCredentials(store *DAVCredentialStore) *Client {
if c == nil {
return nil
}
c.credStore = store
return c
}
func (c *Client) doRequest(ctx context.Context, method, path string, body io.Reader, headers map[string]string) (*http.Response, error) {
url := c.baseURL + path
req, err := http.NewRequestWithContext(ctx, method, url, body)
if err != nil {
return nil, err
}
req.SetBasicAuth(c.adminUser, c.adminPass)
req.Header.Set("OCS-APIRequest", "true")
for k, v := range headers {
req.Header.Set(k, v)
}
return c.httpClient.Do(req)
}
func (c *Client) DoAsUser(ctx context.Context, method, path string, body io.Reader, userID string, headers map[string]string) (*http.Response, error) {
return c.doAsUser(ctx, method, path, body, userID, headers, false)
}
func (c *Client) doAsUser(ctx context.Context, method, path string, body io.Reader, userID string, headers map[string]string, retried bool) (*http.Response, error) {
token, err := c.userDAVToken(ctx, userID)
if err != nil {
return nil, err
}
url := c.baseURL + path
req, err := http.NewRequestWithContext(ctx, method, url, body)
if err != nil {
return nil, err
}
req.SetBasicAuth(userID, token)
for k, v := range headers {
req.Header.Set(k, v)
}
resp, err := c.httpClient.Do(req)
if err != nil {
return nil, err
}
if resp.StatusCode == http.StatusUnauthorized && c.credStore != nil {
resp.Body.Close()
_ = c.credStore.DeleteToken(ctx, userID)
if !retried {
if refreshErr := c.RefreshPrincipalCredentials(ctx, userID); refreshErr == nil {
return c.doAsUser(ctx, method, path, body, userID, headers, true)
}
}
return nil, ErrDAVCredentialsMissing
}
return resp, nil
}
func (c *Client) userDAVToken(ctx context.Context, userID string) (string, error) {
if c.credStore == nil {
return "", fmt.Errorf("nextcloud dav credentials store not configured")
}
token, err := c.credStore.GetToken(ctx, userID)
if err != nil {
return "", err
}
return token, nil
}